From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Josh Cartwright <joshc@ni.com>
Cc: Will Deacon <will.deacon@arm.com>,
Yong Zhang <yong.zhang0@gmail.com>,
Yong Zhang <yong.zhang@windriver.com>,
Nathan Sullivan <nathan.sullivan@ni.com>,
linux-rt-users <linux-rt-users@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
linux-arch@vger.kernel.org
Subject: Re: __HAVE_ARCH_CMPXCHG on ARM?
Date: Wed, 18 Feb 2015 11:44:59 +0100 [thread overview]
Message-ID: <20150218104459.GD28763@linutronix.de> (raw)
In-Reply-To: <20150203192730.GA10759@jcartwri.amer.corp.natinst.com>
* Josh Cartwright | 2015-02-03 13:27:30 [-0600]:
> native native
> cmpxchg (UP) cmpxchg (SMP) __HAVE_ARCH_CMPXCHG
> xtensa X X
This one does not always have cmpxchg on UP (only the SMP variant which
provides atomic operation).
> Josh
Sebastian
WARNING: multiple messages have this Message-ID (diff)
From: bigeasy@linutronix.de (Sebastian Andrzej Siewior)
To: linux-arm-kernel@lists.infradead.org
Subject: __HAVE_ARCH_CMPXCHG on ARM?
Date: Wed, 18 Feb 2015 11:44:59 +0100 [thread overview]
Message-ID: <20150218104459.GD28763@linutronix.de> (raw)
In-Reply-To: <20150203192730.GA10759@jcartwri.amer.corp.natinst.com>
* Josh Cartwright | 2015-02-03 13:27:30 [-0600]:
> native native
> cmpxchg (UP) cmpxchg (SMP) __HAVE_ARCH_CMPXCHG
> xtensa X X
This one does not always have cmpxchg on UP (only the SMP variant which
provides atomic operation).
> Josh
Sebastian
next prev parent reply other threads:[~2015-02-18 10:44 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-29 18:56 __HAVE_ARCH_CMPXCHG on ARM? Nathan Sullivan
2015-01-29 18:56 ` Nathan Sullivan
[not found] ` <CAM2zO=CVCZFNiSukgcgNNT0==xgLK4w5HF3Pz=dcFmrEHPtLdw@mail.gmail.com>
2015-02-02 13:39 ` Will Deacon
2015-02-02 13:39 ` Will Deacon
2015-02-03 16:48 ` Nathan Sullivan
2015-02-03 16:48 ` Nathan Sullivan
2015-02-03 16:57 ` Will Deacon
2015-02-03 16:57 ` Will Deacon
2015-02-03 19:27 ` Josh Cartwright
2015-02-03 19:27 ` Josh Cartwright
2015-02-18 10:44 ` Sebastian Andrzej Siewior [this message]
2015-02-18 10:44 ` Sebastian Andrzej Siewior
2015-02-18 16:34 ` Josh Cartwright
2015-02-18 16:34 ` Josh Cartwright
2015-02-18 10:43 ` Sebastian Andrzej Siewior
2015-02-18 10:43 ` Sebastian Andrzej Siewior
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